(1) Short for compressor/decompressor, a codec is any technology for compressing and decompressing data. Codecs can be implemented in software, hardware, or a combination of both. Some popular codecs for computer video include MPEG, Indeo and Cinepak.
(2) In telecommunications, (short for coder/decoder) a device that encodes or decodes a signal. For example, telephone companies use codecs to convert binary signals transmitted on their digital networks to analog signals converted on their analog networks.
(3) The translation of a binary value into a voltage that can be transmitted over a wire.
In software and hardware terminology, a codename is a name given to a project to identify it while it is still in development. Once the project has been completed, just before it is released to the public and retail channels in its final packaged version, the developing company will release its commercial name for the […]
Short for Common Object File Format, a binary file format used in UNIX System V and Windows.
- Cold Boot
The start-up of a computer from a powered-down, or off, state. Also called a hard boot. Contrast with warm boot, restarting a computer via the operating system.
- cold site
(kōld sīt)(n.) A disaster recovery facility that provides only the physical space for recovery operations while the organization using the space provides its own hardware and softwaresystems.
- cold standby
(cōld stand´bī) (n.) A method of redundancy in which the secondary (i.e., backup) system is only called upon when the primary system fails. The system on cold standby receives scheduled data backups, but less frequently than a warm standby. Cold standby systems are used for non-critical applications or in cases where data is changed infrequently.